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nata0808 [166]
3 years ago
9

Help me please!!!!!!!!!!!!!!!! (-7n^2-8n)+(-n^2+9n+9)

Mathematics
2 answers:
Sever21 [200]3 years ago
7 0
-9n^2+n+9 is the answer....
Setler [38]3 years ago
6 0
I combined like terms! I hoped this helps

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